Photo taken on Feb. 21, 2017 shows snow scenery in Lanzhou, capital of northwest China's Gansu Province. A cold front brought snowfall to many parts of north China. (Xinhua/Fan Peishen)
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Photo taken on Feb. 21, 2017 shows snow scenery in Lanzhou, capital of northwest China's Gansu Province. A cold front brought snowfall to many parts of north China. (Xinhua/Fan Peishen)
